There is no kingside attack against the fianchetto KID, accept it, and learn how to handle well the strategic positions that arise.

Understanding what white is trying to do and the positions to avoid falling in to are paramount for Black. The fianchetto system in particular demands from Black a good deal of prophylaxis, anticipation and patience, along with the usual theoretical  knowledge and tactical eye.

No one said playing the KID was easy. 

Tops

Well, it, like e.g. the Kavalek variation, is the sort of secondary line which has long been given in books as leading to a slight advantage for White -- which should mean it is "sound enough."